Jordi Chias / Crabeater seals (Lobodon carcinophaga) resting on ice floating ice sheet, Antarctic Peninsula, Antarctica.

Jordi Chias / Crabeater seals (Lobodon carcinophaga), Antarctic Peninsula, Antarctica.

Jordi Chias / Crabeater seals (Lobodon carcinophaga) hunting under water, Antarctic Peninsula, Antarctica.

Kathryn Jeffs / Southern Type B Killer whale (Orcinus orca) spyhops to see if Crabeater seals (Lobodon carcinophagus) are potential prey, Antarctica. Taken on location for BBC Frozen Planet series, January 2009

Brent Stephenson / Crabeater Seal (Lobodon carcinophaga) hauled out on ice. Pleneau Island, Antarctica, January.

Steven Kazlowski / Crabeater seal (Lobodon carcinophagus) resting on ice along the western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Crabeater seals (Lobodon carcinophagus) and seagulls feeding on a school of krill in waters off the western Antarctic Peninsula, Southern Ocean

Mark Carwardine / Tourists in dinghy watching Crabeater seals on iceberg, Antarctica.

Doug Allan / Crabeater seal under ice {Lobodon carcinaphagus} Antarctica

Doug Allan / Crabeater seals under ice {Lobodon carcinaphagus} Antarctica

Ashley Cooper / Crabeater seal (Lobodon carcinophaga), two hauled out on sea ice. Near Yalour Islands, Wilhelm Archipelago, Antarctica. January 2020.

Ashley Cooper / Crabeater seal (Lobodon carcinophaga) group hauled out on sea ice, tourists on zodiacs and expedition cruise ship in background. Yalour Islands, Wilhelm Archipelago, Antarctica. January 2020.

Jeff Foott / Crabeater Seal (Lobodon carcinophagus) adult, near oceberg. Pleneau Island, Lemaire Channel, Antarctica.

Jeff Vanuga / Crabeater seal (Lobodon carcinophagus) in the Antarctic Sound. Antarctica.

Doug Gimesy / Crabeater seal (Lobodon carcinophaga) hauled out on snow. Wauwermans Islands, Antarctic Peninsula, Antarctica. December.

Fred Olivier / Crabeater seals (Lobodon carcinophagus) on an ice floe, Antarctica.

Fred Olivier / Crabeater seals (Lobodon carcinophagus) on an ice floe, Antarctica.

Ashley Cooper / Crabeater seal (Lobodon carcinophaga) urinating on ice with one eye shut. Antarctica. February 2019.

Jordi Chias / Crabeater seal (Lobodon carcinophaga), Antarctic Peninsula, Antarctica.

Jordi Chias / Crabeater seals (Lobodon carcinophaga) swimming betrween icebergs, Antarctic Peninsula, Antarctica.

Ashley Cooper / Crabeater Seal (Lobodon carcinophaga) on an iceberg in Paradise Bay, Antarctica.

Michel Roggo / Antarctica Crabeater Seal (Lobodon carcinophaga) on sea ice, Bellinghausen Sea, near Peter I Island, Antarctic Peninsula, January. Photographed for The Freshwater Project

Michel Roggo / Crabeater seal (Lobodon carcinophaga) on sea ice, Cape Hallett, Ross Sea, Antarctica. Photographed for The Freshwater Project

Klein & Hubert / Crabeater Seal (Lobodon carcinophaga) adult resting on coastal ice, Antarctica.

Klein & Hubert / Crabeater Seal (Lobodon carcinophaga) adult resting coast, Antarctica.

Klein & Hubert / Crabeater seal (Lobodon carcinophaga) on floating pack ice, Antarctica

Klein & Hubert / Crabeater seal (Lobodon carcinophaga) Antarctica

Rick Price / Crabeater seal (Lobodon carcinophaga) pup on ice near Rosamel Island, Antarctic Peninsula, Antarctic Sound, Antarctica. January.

Brent Stephenson / Crabeater seal (Lobodon carcinophaga) sleeping hauled out on sea ice, Neko Harbour, Antarctic Peninsula, Antarctica, January.

Ole Jorgen Liodden / Crabeater seal (Lobodon carcinophagus) hauled out, Plenau Bay, Antarctica, March.

Tui De Roy / Crabeater seal (Lobodon carcinophaga) on pack ice, Antarctica, November.

Tui De Roy / Crabeater seal (Lobodon carcinophaga) injured bull, Antarctica, November.

Tui De Roy / Crabeater seal (Lobodon carcinophaga) female with pup and male, on pack ice, Antarctica, November.

Tim Laman / Russell Laman photographing Crabeater seals (Lobodon carcinophaga) on iceberg, The Gullet, Adelaide Island vicinity, Antarctica, February 2011. Model released.

Russell Laman / Crab Eater Seals (Lobodon carcinophagus) resting on ice, one with mouth open, Antarctica, February.

Russell Laman / Crab Eater Seals (Lobodon carcinophagus) resting on an iceberg, Antarctica, February.

Chris & Monique Fallows / Crabeater seal (Lobodon carcinophaga) on shore, Antarctic Peninsula, Antarctica.

Mary McDonald / Crabeater seal (Lobodon carcinophagus) on ice, Devil Island, Antarctica, March

Mary McDonald / Crabeater seal (Lobodon carcinophagus) resting on ice, yawning, Devil Island, Antarctica, March

Mark Carwardine / Man in zodiac boat watching Crabeater Seals (Lobodon carcinophagus) resting on sea ice. Antarctic Peninsula, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Mark Carwardine / Crabeater Seal (Lobodon carcinophagus) resting on sea ice. Antarctic Peninsula, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Doug Allan / Killer Whale (Orcinus orca) spy-hopping to observe a Crabeater Seal (Lobodon carcinophagus); the whales are in search of Weddell Seals. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame book p...

Doug Allan / Rick Price filming Crabeater seals (Lobodon carcinophagus) underwater, several seals are pulling kelp from the seabed, Normanna Strait, Signy Island, South Orkney Islands, Antarctica, August, Freeze F...

Brent Stephenson / Crabeater Seals (Lobodon carcinophaga) swimming near an iceberg. Pleneau Island, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Crabeater Seal (Lobodon carcinophaga) hauled out on ice, looking up. Near Vernadsky Station, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Group of Crabeater Seals (Lobodon carcinophaga) hauled out on a small piece of ice. Lemaire Channel, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Crabeater Seal (Lobodon carcinophaga) peering up from the water in snowfall. Paradise Bay, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Crabeater Seal (Lobodon carcinophaga) hauled out on ice. Paradise Bay, Antarctic Peninsula, Antarctica, January.